Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Sheila Treftz, APN

Individual provider Acute Care Nurse Practitioner · NPI 1023074051

Sheila Treftz, APN is a Nurse Practitioner in Naperville, Illinois. Qualified in 2001, 25 years ago. Practices with Sigma Health PC, a 21-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
25
Licensed in
IL
In the registry since
2006
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

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Practice location Address checks out

120 Spalding Dr Ste 401
Naperville, IL 60540-6508
Phone: (630) 416-4501
Fax: (630) 416-4504
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence 209004336 (IL)

Record details

NPI number1023074051
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedApril 26, 2006
Last updated in NPPESMarch 7, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Sigma Health Pc — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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